Racists and Geeks Protest Idris Elba Playing a Norse God

Is this controversy with boycott the same as objections to The Last Airbender casting? As Rosanna Rosanna Danna would say, "It's always something!"I just read at The Root and the U.K. Guardian that a white supremacist group in the U.S.A. is boycotting the superhero movie Thor because British black actor Idris Elba has been cast as the Norse god Heimdall. Wikipedia says Heimdall is called "the